0.2.6

1. 对电量图标颜色添加了连接配色（连接为绿色，断开连接为红色）
   Added a connection color to the battery icon color (connection is green, disconnection is red)
2. 支持添加自定义主题电量图标
   Support adding custom theme battery icons
3. 支持自定义字体大小（建议使用默认64）
   Supports custom font size (the default 64 is recommended)
4. 自动监测需显示电量图标设备
   Automatic monitoring requires a device that displays the battery level icon
5. 性能优化
   Performance optimization
6. 修复部分问题
   Fix some issues